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Renesas 82V2052EPFG
- Part No.:
- 82V2052EPFG
- Manufacturer:
- Renesas
- Category:
- Telecom
- Package:
- 80-LQFP
- Datasheet:
-
82V2052EPFG.pdf
- Description:
- IC TELECOM INTERFACE 80TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,621
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Product details
Overview
IDT82V2052EPFG from Integrated Device Technology is a dual-channel E1 short-haul line interface unit (LIU) for telecom infrastructure. It performs AMI/HDB3 encoding/decoding, clock/data recovery, adaptive equalization, jitter attenuation (configurable in Rx or Tx path), and supports 75 Ω/120 Ω per-channel line termination. Used in CSU/DSU, IADs, wireless base stations, and frame relay access devices.
For engineers reviewing the IDT82V2052EPFG datasheet, IDT82V2052EPFG pinout, IDT82V2052EPFG application, or IDT82V2052EPFG equivalent, key selection criteria include dual-channel E1 compliance (ITU G.703, ANSI T1.102), programmable LOS sensitivity down to –20 dB, HPS-enabled 1+1 protection, JTAG boundary scan, and 3.3 V supply with 5 V-tolerant digital I/O.
Technical Context
The IDT82V2052EPFG integrates two independent E1 channels, each with full analog front-end (RTIPn/RRINGn, TTIPn/TRINGn), configurable transmit waveform shaping (preset templates or user-defined arbitrary pulse), and selectable line encoding (AMI or HDB3). Each channel supports hardware- or software-controlled impedance switching between 75 Ω and 120 Ω.
It features a shared Jitter Attenuator placed either in receive or transmit path (not both), adaptive equalizer enabling –20 dB receive sensitivity (Host Mode only), and non-intrusive G.772-compliant monitoring. Control is supported via serial (SPI/I²C-compatible), parallel (Intel/Motorola non-multiplexed), or pin-strapped hardware mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| E1 Compliance | Meets ITU G.703, G.736, G.775, G.823; ANSI T1.102; ETSI 300-166/233; TBR12/13 - ensures interoperability in global carrier networks. |
| Supply Voltage | 3.3 V nominal with 5 V tolerance on digital I/O pins - enables direct interfacing with legacy 5 V logic without level shifters. |
| Line Termination | Per-channel selectable 75 Ω or 120 Ω - supports coaxial (75 Ω) and twisted-pair (120 Ω) E1 physical layer deployments. |
| Jitter Attenuation | Configurable placement in Rx or Tx path (or disabled); meets ITU-T G.823 jitter transfer/ tolerance specs - improves signal integrity in noisy or long-reach links. |
| LOS Sensitivity | Programmable down to –20 dB (Host Mode only) with adaptive equalizer - extends reach over lossy cables without external amplification. |
| Loopback Modes | Analog, digital, and remote loopback per channel - enables in-system diagnostics and field maintenance without external test equipment. |
| Error Monitoring | Integrated 16-bit BPV/EXZ/PRBS error counters and CVn pin reporting - provides real-time line health telemetry for network management. |
Pinout & Package
Package: 80-pin TQFP (Green RoHS-compliant option available). Pin assignments are defined for dual-channel E1 operation with dedicated analog I/O (TTIPn/TRINGn, RTIPn/RRINGn), system clocks (TCLKn, RCLKn, MCLK), data paths (TDn/TDPn/TDNn, RDn/RDPn/RDNn/CVn), control interfaces (CS, SCLK, SDO, SDI, R/W, A[5:0], D[7:0]), and JTAG (TCK, TMS, TDI, TDO, TRST).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TTIP1 / TTIP2 | Differential Transmit Tip Output | Drives positive polarity of bipolar E1 line signal; high-impedance state controllable via THZ pin or TCF1 register. |
| TRING1 / TRING2 | Differential Transmit Ring Output | Drives negative polarity of bipolar E1 line signal; paired with TTIPn for balanced transmission. |
| RTIP1 / RTIP2 | Differential Receive Tip Input | Accepts tip-side analog E1 signal; internal termination selectable per channel (75 Ω or 120 Ω). |
| RRING1 / RRING2 | Differential Receive Ring Input | Accepts ring-side analog E1 signal; complements RTIPn for differential receiver input. |
| TCLK1 / TCLK2 | Transmit Clock Input | 2.048 MHz clock sampling TDn/TDPn/TDNn; missing-clock detection triggers interrupt if unmasked. |
| RCLK1 / RCLK2 | Receive Clock Output | 2.048 MHz recovered clock (CDR mode) or MCLK-derived (under AIS/LOS); edge polarity programmable. |
| MCLK | Master Clock Input | 2.048 MHz or 4.096 MHz reference for internal timing; loss disables all line drivers. |
| THZ | Global Transmit High-Z Enable | Logic-high forces all TTIPn/TRINGn outputs into high-impedance - enables safe hot-swap or protection switching. |
Key Features
| Feature | Design Value |
|---|---|
| HPS (Hitless Protection Switching) | Enables 1+1 redundancy without external relays - eliminates service interruption during failover in critical telecom links. |
| G.772 Non-Intrusive Monitoring | Allows real-time line performance analysis (BPV, EXZ, PRBS errors) without disrupting live traffic - essential for SLA monitoring. |
| Adaptive Equalizer | Compensates for cable loss up to –20 dB receive sensitivity - extends usable cable length without repeaters. |
| PRBS Generation/Detection | On-chip 2¹⁵–1 polynomial generator and detector - enables bit-error-rate testing without external pattern generators. |
| JTAG Boundary Scan | IEEE 1149.1-compliant test access port - supports board-level manufacturing test and debug of solder joints and interconnects. |
| Hardware Control Mode | Pin-strapped configuration (MODE[1:0], TERMn, JA[1:0]) - allows boot-time setup without firmware, simplifying minimal-BOM designs. |
Applications
| CSU/DSU Equipment | IAD (Integrated Access Device) |
|---|---|
|
Use Scenario: Aggregating TDM voice and data over E1 leased lines in enterprise edge routers. IC Role / Device Role / Timing Role: Dual-channel E1 LIU performing line coding (HDB3), clock recovery, and LOS/AIS detection. Use Value: Enables carrier-grade E1 interface with integrated protection switching (HPS) and G.772 monitoring for SLA compliance reporting. |
Use Scenario: Residential/business gateway connecting PSTN and VoIP networks via E1 trunk. IC Role / Device Role / Timing Role: E1 line interface providing AMI/HDB3 encode/decode, jitter attenuation, and PRBS diagnostics. Use Value: Reduces BOM count by integrating adaptive equalization, loopback modes, and 5 V-tolerant I/O - simplifies mixed-voltage design. |
| Wireless Base Station Abis Interface | Frame Relay Access Device |
|
Use Scenario: Backhaul connectivity between BTS and BSC using E1 over copper. IC Role / Device Role / Timing Role: Short-haul E1 transceiver with programmable line termination (75 Ω/120 Ω) and analog loopback for field validation. Use Value: Supports rapid deployment across diverse cabling (coaxial vs. twisted pair) with no hardware change - lowers inventory complexity. |
Use Scenario: Frame relay node terminating E1 circuits for corporate WAN connectivity. IC Role / Device Role / Timing Role: Dual-channel LIU handling simultaneous E1 links with BPV/EXZ error counting and remote loopback. Use Value: Provides carrier-grade error telemetry (via CVn pins and registers) and JTAG testability - meets Telcordia GR-1089 EMI/ESD requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar E1 line interface applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 82V2042E | Single-channel E1 LIU; identical pinout and register map but lacks second channel and HPS support. | Suitable for cost-sensitive single-link deployments; not usable in 1+1 protected systems. | Select when only one E1 link is required and board space/layout reuse with IDT82V2052EPFG is prioritized. |
| 82V2082 | Pin-compatible dual-channel T1/E1/J1 LIU supporting long-haul (120 Ω only) and short-haul modes; higher power consumption. | Supports T1 (1.544 MHz) and J1 variants; requires different line transformer design for long-haul operation. | Choose when multi-standard (T1/E1/J1) flexibility or long-haul capability is needed - otherwise IDT82V2052EPFG offers lower power and optimized short-haul performance. |
Compared with 82V2042E and 82V2082, the IDT82V2052EPFG uniquely delivers dual-channel E1 short-haul operation with integrated HPS, adaptive equalization down to –20 dB, and G.772 monitoring - making it optimal for compact, carrier-class access equipment where protection, reach, and diagnostics are co-prioritized.
Availability
IDT82V2052EPFG is available at Aetrix Electronics and suitable for CSU/DSU equipment, wireless base station Abis interfaces, and frame relay access devices requiring stable component supply, long-term lifecycle support, and RoHS-compliant green packaging.
Supply support for IDT82V2052EPFG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and high-performance interconnect solutions for communications and computing markets.
The IDT82V2052EPFG belongs to IDT's legacy Line Interface Unit (LIU) product line, designed specifically for E1-based telecom access infrastructure - emphasizing integration, standards compliance, and field-deployable diagnostics.
FAQ
What is the primary function of the IDT82V2052EPFG in an E1 system?
The IDT82V2052EPFG serves as a dual-channel E1 short-haul line interface unit, handling AMI/HDB3 encoding/decoding, clock and data recovery, adaptive equalization, jitter attenuation, and LOS/AIS detection. It directly interfaces with E1 transformers and digital baseband logic, enabling full physical layer functionality for telecom access equipment such as CSU/DSUs and IADs. Its design targets carrier-grade reliability and diagnostic capability.
Does the IDT82V2052EPFG support both 75 Ω and 120 Ω line impedances?
Yes, the IDT82V2052EPFG supports per-channel selection of 75 Ω or 120 Ω line termination for both transmit and receive paths. This is controlled via the TERMn pins or corresponding bits in the TERM register (address 0x19). The flexibility allows deployment over coaxial (75 Ω) or twisted-pair (120 Ω) E1 cabling without hardware modification - a key requirement for multi-environment telecom gear.
How does Hitless Protection Switching (HPS) work in the IDT82V2052EPFG?
HPS in the IDT82V2052EPFG enables automatic 1+1 redundancy switching without service interruption or external relays. It monitors LOS and AIS conditions on both channels and seamlessly transfers traffic to the backup link upon failure detection. The switch occurs within microseconds and maintains synchronization via shared clock resources - ensuring zero packet loss during failover, critical for voice and real-time data services.
Can the IDT82V2052EPFG operate with a 5 V microcontroller interface?
Yes, the IDT82V2052EPFG features 5 V-tolerant digital I/O pins (including CS, SCLK, SDO, SDI, R/W, A[5:0], D[7:0]) while operating from a 3.3 V supply. This eliminates the need for external level shifters when interfacing with legacy 5 V microcontrollers or FPGAs - simplifying system design and reducing component count in mixed-voltage telecom platforms.
What diagnostic capabilities does the IDT82V2052EPFG provide for field maintenance?
The IDT82V2052EPFG provides analog, digital, and remote loopback modes per channel; on-chip PRBS generation/detection (2¹⁵–1); 16-bit BPV/EXZ/PRBS error counters; G.772-compliant non-intrusive monitoring; and dedicated CVn pins for real-time violation reporting. These features enable comprehensive line health assessment, BER testing, and fault isolation - all without external test instruments, accelerating field troubleshooting and reducing OPEX.
82V2052EPFG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 80-LQFP
- Packaging:
- Tray
- Product Status:
- Active
- Function:
- Line Interface Unit (LIU)
- Interface:
- LIU
- Number of Circuits:
- -
- Voltage - Supply:
- 3.13V ~ 3.47V
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-TQFP (14x14)
82V2052EPFG FAQ
1.How can I place an order for 82V2052EPFG through Aetrix?
Please submit a Request for Quotation (RFQ) for 82V2052EPFG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 82V2052EPFG reliable?
The price and inventory of 82V2052EPFG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 82V2052EPFG is usually 5 days.
3.What payment methods are accepted for 82V2052EPFG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 82V2052EPFG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 82V2052EPFG?
82V2052EPFG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 82V2052EPFG order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 82V2052EPFG?
For technical support, including 82V2052EPFG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 82V2052EPFG requirements.
6.How does Aetrix verify that 82V2052EPFG is sourced from the original manufacturer or authorized distributors?
All 82V2052EPFG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 82V2052EPFG meets industry standards.
7.What is the process for return or replacement of 82V2052EPFG?
All 82V2052EPFG units undergo pre-shipment inspection (PSI). If there is an issue with 82V2052EPFG, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 82V2052EPFG part is unused and in its original packaging.
Return procedure for 82V2052EPFG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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